There was a download of ID System Optimizer 3.5 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus.
The latest version of the software can be installed on PCs running Windows XP/Vista/7/8/10/11, 32-bit. ID System Optimizer is included in System Utilities. IDInternetOptimizer.exe or IDSystemOptimizer.exe are the frequent file names to indicate the ID System Optimizer installer. The actual developer of the software is Fastlink2. The most popular versions of the software are 3.5 and 1.2.
From the developer:
ID System Optimizer is a highly rated system tool allowing you to customize your personal options to insuring a well operating computer system. Controls functions easily with some simple clicks. ID System Optimizer optimizes all Windows options as well as Server, Security and Network settings.
You may want to check out more software, such as System Optimizer and Cleaner Software, System Accelerator or 360Amigo System Speedup, which might be related to ID System Optimizer.